Acropora cervicornis (Lamarck, 1816)

(Fig. 17)

Madrepora cervicornis Lamarck, 1816: 281 .

Madrepora attenuata Brook, 1893 p.33 pl. 35 figs C–D.

Type locality. American Ocean (holotype MNHN). MTQ Holdings. Bahamas: G54476, G54485–89; Panama: G51799; Mexico: G48425; USA: G36774–82, G36796, G54478–84; Venezuela: G51960–64; Virgin Is.: G33177–78, G40919–20; Fossil, Caribbean: G63101, G64486–500.

Species group: cervicornis .

Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order absent; length:>100 mm; diameter: 10.0–19.9 mm, axial-dominated, terete;

radial crowding: some touching; axial/radial ratio:>1:10. Axial corallites: two synapticular rings; porous; outer diameter 2.0–3.5 mm; inner diameter 1.1–1.7 mm; primary septa to ¾ R. Radial corallites: large; two synapticular rings; one size or graded; inner wall developed; shape: nariform; openings: oval-rounded; primary septa to 2/3 R. Coenosteum: different on and between radials: between radials: reticulo-costate, on radials: costate; spinule shape: single point.

Further literature. Van Oppen et al. (2000), Vollmer & Palumbi (2002), Gardner et al. (2003), Wallace (2012).